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EXHIBIT "D" <br />Mining Plan <br />6.4.4 The Mining Plan for the Del Norte Pit is as follows (Please also see map): <br />This permit is for the expansion of the existing permitted Del Norte gravel Pit M-84- <br />026, Revision No. CN-1. <br />(a) The initial preparation of the surface before extraction of the sand and gravel will <br />consist of stripping the vegetation and topsoil and placing it in stockpiles for use later <br />during reclamation. Front-end loaders, scrapers, and motor graders may be <br />employed for this phase. <br />The next phase after removal of the vegetation and topsoil is the extraction of the .. <br />- ~ ~resource (sand and gravel), which will be accomplished with front-end loaders, <br />dozers, scrapers, backhoe excavators, draglines, or any surtace mining type of <br />equipment that is economically feasible for this site. <br />This is an open pit surface mine, and mining and construction equipment design for <br />this task will be used for earthmoving and transporting both on site and trucking off <br />site. <br />(b) All earthmoving will be done with machinery designed for the job, eg. Dozer, front- <br />end loaders, scrapers, excavators, etc. <br />(c) The operator proposes to use inactive areas of excavation as recharged basins for <br />water owned by the Rio Grande Canal Water Users Association, whose Rio Grande <br />Canal No. 1 is immediately to the north of the subject property. This activity is <br />proposed for the remaining mining activities and as the reclaimed use for the,subject <br />property. <br />Waters will be delivered to the recharge basins through one or more headgate/culvert <br />structures to be installed through the south embankment of the Rio Grande Canal No. <br />1. Installation and ownership of the diversion structures will be the responsibility of <br />the canal owners. <br />(d) The size of maximum disturbance will be approximately 20 acres at any one time, <br />and will consist of a combination of mining, processing, stockpiling, hot mix asphalt <br />plant and/or ready mix concrete plant, and reclamation. Total area of disturbance will <br />be approximately 57 acres of the permitted 71 acres. <br />(e) Mining will be done on a continuing program every year as the demand warrants. <br />Therefore, mining wi{I occur as projects in the area demand. <br />